possible:
  prompt: |-
    You are analyzing a statement for a task. 
    You want to figure out if the statement declares the task as impossible or provides a solution. 
    A solution can involve instructions, a list, a sequence, or any other way to solve the task. 
    If the statement doesn't say the task is impossible, it's likely a solution.

    [BEGIN DATA]
    ************
    [Task]: {input}
    ************
    [Submission]: {completion}
    ************
    [END DATA]

    (A) The statement declares the task to be impossible
    (B) The statement provides instructions on how to solve a given task, or provides a solution

  choice_strings: AB
  input_outputs:
    input: completion